Ink-pad.



J. RAVEN, JR.

INK PAD. APPLIOATION FILED IA! 18, 1910.

966,951. l Patented Aug; 9,1919.

1n! aywzms PETERS 001, WASHINGTON, n. c.

JOHN RAVEN, an, or new YORK, 1v. Y.

INK-PAD.

Specification of Letters Patent.

Application filed May 18, 1910. Serial No. 562,061.

To all whom it may concern:

Be it known that I, JOHN RAVEN, Jr., a citizen of the United States, andresident of the borough of Manhattan, in the city and State of New York,have invented anew and useful Improvement in Ink-Pads,of which thefollowing is a specification.

My invention relates to ink pads and more particularly to a pad suitablefor use in connection with hand stamps for stamping meats where it isdesirable to apply a non poisonous ink in such quantity as to make thedesign plainly visible on irregular surfaces.

A practical embodiment of the invention is represented in theaccompanying drawings, in which,

Figure l is a top plan view with cover removed. Fig. 2 is a side viewwith cover removed. Fig. 3 is a longitudinal section taken in the planeof the line A-A of Fig. 1, showing the cover in position. Fig. 4 is atransverse section taken in the plane of the line BB of Fig. 1, withcover in position. Fig. 5 is a horizontal section taken in the plane ofthe line (3-0 of Fig. 3, looking in the direction of the arrows, andFig. 6 is a longitudinal section of a modified form of pad.

The ink-well or receptacle may conveniently be made of oblongrectangular form, its walls being formed of some suitable material, as,for example, thin stifi metal. It is denoted in the present drawingsby 1. This well or ink receptacle is provided below its top with ahorizontally disposed diaphragm 2 of some suitable thin spring metal sothat its central portion may be sprung inwardly and outwardly after themanner of the bottom of the Well known oil can for ejecting oil. Thediaphragm 2 is provided with one or more depending tubes, two of thesedepending tubes belng shown in Figs. 1 to 5 inclusive and one in Fig. 6.These depending tubes are denoted by 3 and project from the diaphragm 2downwardly I to a point above the bottom of the well or receptacle 1,the bottom of said tubes or tube 3, determining the height of the inkwithin the ink well or receptacle.

On the diaphragm 2, there is seated a pad 4 of felt or other suitableabsorbent material, and from this pad 4 teats 5 project downwardlywithin the depending tube or tubes 3, into the body of ink in the wellor receptacle. The teats 5 are conveniently made of felt correspondingto the felt of whichthe pad 4 is formed, and the'uppen end or ends ofthe teat or teats 5 are secured in close contact with the pad 4, so thatthey will form in effect a continuation of the pad. The pad 4 is abovethe top edge of the well or receptacle 1, so that a hand stamp whenpressed upon the pad, will not be liable to strike the hard edge of thewell or receptacle and be thereby damaged.

A cover 6 is made to fit over the top edge of the receptacle or well 1,to prevent the evaporation of the ink when the pad is not in use.

In use, the receptacle 1 having been charged with ink and the pad 4placed in position with its teat or teats extending ownwardly throughthe tube or tubes into the body of the ink, the ink will by capillaryattraction, find its way up through the teats into the body of the pad,partially saturating the pad. When the stamp is pressed upon the pad, itwill depress the diaphragm 2, thereby compressing the air in the space 7above the body of ink in the receptacle, forcing the ink up through thepores in the Patented Aug: 9, 1910.

preferably made to project teats and into the pad, thereby saturatingthe pad to such a degree as to provide the required amount of ink forinking the stamp preparatory to stamping. When the stamp is liftedfromthe pad, the compressed air in the space 7 will lift the diaphragm 2, orthe diaphragm may be so formed as to naturally assume its raisedposition under its own tension and the slight amount of air required toreplace the ink that has been forced up into the pad and used will findits way around the edges of the pad and down through the tubes 2 intothe space 7 to keep the latter fully charged with air.

The structure is a very simple and efficient one, not liable to get outof order and durable.

What I claim is:

1. An ink pad comprising an ink recep a and tending across within itbelow its top, the said diaphragm being provided with a depending tube,and a pad of absorbent material seated on the diaphragm and extendingabove the upper edge of the receptacle rovided Witha teat of absorbentmateria extending from the pad downwardly within the tube into the inkspace in the receptacle.

3. An ink pad comprising an ink receptacle, a spring diaphragm extendingacross within the receptacle and provided with a plurality of tubularextensions projecting downwardly therefrom and a pad of absorbentmaterial seated on the said spring diaphragm and extending above the topedge of the receptacle, the said absorbent pad being provided with teatsof absorbent material projecting from the pad downwardly through thesaid tubular extensions into the ink space in the receptacle.

In testimony, that I claim the foregoing as my invention, I have signedmy name in presence of two witnesses, this seventeenth day of May 1910.

JOHN RAVEN, JR.

Witnesses:

F. GEORGE BARRY, HENRY O. THIEME.

